Even more ANSIfication: fix as many function pointers and declarations as
possible.
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index 1adde19..2860f37 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -27,7 +27,7 @@
 
 #ifdef __sgi
 /* This is missing from unistd.h */
-extern void bzero();
+extern void bzero(void *, int);
 #endif
 
 #ifndef DONT_HAVE_SYS_TYPES_H